Sandford, C., Godwin, M., Hardwick, P., & Collard, D. (1989). Administrative and compliance costs of taxation. Fiscal Publications.
Dyfyniad Arddull ChicagoSandford, Cedric, Michael Godwin, Peter Hardwick, and David Collard. Administrative and Compliance Costs of Taxation. Great Britain (Fersfield Perrymead): Fiscal Publications, 1989.
Dyfyniad MLASandford, Cedric, et al. Administrative and Compliance Costs of Taxation. Fiscal Publications, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.